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GB2509671B - Encoding and decoding video using skip transform mode - Google Patents

Encoding and decoding video using skip transform mode

Info

Publication number
GB2509671B
GB2509671B GB1407660.8A GB201407660A GB2509671B GB 2509671 B GB2509671 B GB 2509671B GB 201407660 A GB201407660 A GB 201407660A GB 2509671 B GB2509671 B GB 2509671B
Authority
GB
United Kingdom
Prior art keywords
encoding
decoding video
transform mode
skip transform
skip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1407660.8A
Other versions
GB201407660D0 (en
GB2509671C (en
GB2509671A (en
Inventor
Keun Lee Bae
Cheol Kwon Jae
Young Kim Joo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KT Corp
Original Assignee
KT Corp
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Filing date
Publication date
Application filed by KT Corp filed Critical KT Corp
Priority to GB1809128.0A priority Critical patent/GB2562173B/en
Priority to GB1719372.3A priority patent/GB2554311B/en
Publication of GB201407660D0 publication Critical patent/GB201407660D0/en
Publication of GB2509671A publication Critical patent/GB2509671A/en
Application granted granted Critical
Publication of GB2509671B publication Critical patent/GB2509671B/en
Publication of GB2509671C publication Critical patent/GB2509671C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
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    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
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    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
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    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/439—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using cascaded computational arrangements for performing a single operation, e.g. filtering
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    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
GB1407660.8A 2011-10-19 2012-10-17 Encoding and decoding video using skip transform mode Active GB2509671C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1809128.0A GB2562173B (en) 2011-10-19 2012-10-17 Video decoding comprising selecting transfrom method from set
GB1719372.3A GB2554311B (en) 2011-10-19 2012-10-17 Decoding image based on transform skip modes for luma and chroma components

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110107098 2011-10-19
PCT/KR2012/008481 WO2013058541A1 (en) 2011-10-19 2012-10-17 Method and apparatus for encoding/decoding image

Publications (4)

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GB201407660D0 GB201407660D0 (en) 2014-06-18
GB2509671A GB2509671A (en) 2014-07-09
GB2509671B true GB2509671B (en) 2019-01-02
GB2509671C GB2509671C (en) 2019-09-25

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GB1809128.0A Active GB2562173B (en) 2011-10-19 2012-10-17 Video decoding comprising selecting transfrom method from set
GB1407660.8A Active GB2509671C (en) 2011-10-19 2012-10-17 Encoding and decoding video using skip transform mode
GB1719372.3A Active GB2554311B (en) 2011-10-19 2012-10-17 Decoding image based on transform skip modes for luma and chroma components

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GB1719372.3A Active GB2554311B (en) 2011-10-19 2012-10-17 Decoding image based on transform skip modes for luma and chroma components

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US (6) US9300973B2 (en)
KR (10) KR101542587B1 (en)
CN (9) CN107241599B (en)
AU (6) AU2012326872B2 (en)
BR (1) BR112014009435B1 (en)
CA (1) CA2852899C (en)
GB (3) GB2562173B (en)
MX (6) MX345648B (en)
PL (1) PL231162B1 (en)
RU (6) RU2602834C2 (en)
WO (1) WO2013058541A1 (en)

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